Bonneted knife gate valve. Gate valve cross section
Bonneted Knife Gate Valve
knife gate
- A sluice is a water channel that is controlled at its head by a gate (from Dutch word 'sluis'). For example, a millrace is a sluice that channels water toward a water mill. The terms "sluice gate", "knife gate", and "slide gate" are used interchangeably in the water/wastewater control industry.
bonneted
- a dormer with a semicircular roof line, normally containing an arched window. (IMAGE)
valve
- device in a brass wind instrument for varying the length of the air column to alter the pitch of a tone
- a structure in a hollow organ (like the heart) with a flap to insure one-way flow of fluid through it
- control consisting of a mechanical device for controlling the flow of a fluid
- A cylindrical mechanism in a brass instrument that, when depressed or turned, admits air into different sections of tubing and so extends the range of available notes
- A membranous fold in a hollow organ or tubular structure, such as a blood vessel or the digestive tract, that maintains the flow of the contents in one direction by closing in response to any pressure from reverse flow
- A device for controlling the passage of fluid through a pipe or duct, esp. an automatic device allowing movement in one direction only
Jumping through a ring of fire
Or a firey hoop, or whatever. Notice the knife juggling going on past his head as he goes through the hoop.
Mangold on approach to gate 9
Having completed the knife edge gate 8, he's levelling off for the horizontal gate 9.
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